fix(rectification): stop yearless ungrounded varga contrast from minting cards

Only sign-bound varga_style questions may omit a concrete period. Remaining-layer existence and quality probes now drop as yearless_ungrounded_contrast instead of scoring by group order.

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/tests/rectification-eight-method.test.ts

@@ -2000,7 +2000,7 @@ test("yearless family contrast yields to a dated career discriminator", () => {
   assert.doesNotMatch(plan.next_followup?.choice_frame?.prompt ?? "", /那段时间/);
 });
 
-test("yearless family contrast without a dated discriminator asks the D12 distinguish card", () => {
+test("yearless family contrast without a dated discriminator asks dated family collect", () => {
   const plan = buildMethodFollowupPlan({
     evidence: [
       ...CLASSIC_COVERAGE.filter((item) => item.domain !== "horary" && item.domain !== "family"),
@@ -2012,12 +2012,29 @@ test("yearless family contrast without a dated discriminator asks the D12 distin
       probes: [YEARLESS_D12],
     },
     candidatesSeparated: false,
+    evidenceCollectionProbes: [{
+      year: 2021,
+      year_label: "2021 年前后",
+      domain: "family",
+      event_family: "家人结婚、添丁或住院",
+      source: "age_band",
+      tracks: ["vimshottari", "narayana"],
+      tracks_agree: false,
+      unique_minute_claim: false,
+      user_meaning: "时间范围锁定 2021 年前后；领域锁定 family。",
+      role: "collect",
+      phase: "evidence_collection",
+      information_gain: 0,
+      semantic_key: "family.2021",
+    }],
   });
-  assert.equal(plan.next_followup?.intent, "distinguish_candidates");
+  assert.equal(plan.next_followup?.intent, "collect_method_evidence");
   assert.equal(plan.next_followup?.domain, "family");
-  assert.match(plan.next_followup?.semantic_key ?? "", /^varga\.d12/);
-  assert.ok(plan.next_followup?.choice_frame);
-  assert.notEqual(plan.next_followup?.source, "method_coverage");
+  assert.equal(plan.next_followup?.choice_frame, null);
+  assert.equal(plan.next_followup?.probe_year, 2021);
+  assert.equal(plan.dropped_probes.some((item) => (
+    item.semantic_key.startsWith("varga.d12") && item.reason === "yearless_ungrounded_contrast"
+  )), true);
 });
 
 test("family collect attaches the collection-probe year instead of a yearless D24 card", () => {
@@ -2076,7 +2093,7 @@ test("family collect attaches the collection-probe year instead of a yearless D2
   assert.match(spokenFollowupForUser(plan.next_followup) ?? "", /2021 年前后，家里有没有/);
 });
 
-test("already-open yearless family card keeps the D12 scoring frame", () => {
+test("already-open yearless family card is abandoned instead of kept as a scoring frame", () => {
   const plan = buildMethodFollowupPlan({
     evidence: [
       ...CLASSIC_COVERAGE.filter((item) => item.domain !== "horary" && item.domain !== "family"),
@@ -2088,6 +2105,21 @@ test("already-open yearless family card keeps the D12 scoring frame", () => {
       probes: [YEARLESS_D12],
     },
     candidatesSeparated: false,
+    evidenceCollectionProbes: [{
+      year: 2021,
+      year_label: "2021 年前后",
+      domain: "family",
+      event_family: "家人结婚、添丁或住院",
+      source: "age_band",
+      tracks: ["vimshottari", "narayana"],
+      tracks_agree: false,
+      unique_minute_claim: false,
+      user_meaning: "时间范围锁定 2021 年前后；领域锁定 family。",
+      role: "collect",
+      phase: "evidence_collection",
+      information_gain: 0,
+      semantic_key: "family.2021",
+    }],
     activeFocus: {
       intent: "distinguish_candidates",
       targetDomain: "family",
@@ -2109,9 +2141,10 @@ test("already-open yearless family card keeps the D12 scoring frame", () => {
       },
     },
   });
-  assert.equal(plan.next_followup?.intent, "distinguish_candidates");
-  assert.ok(plan.next_followup?.choice_frame);
-  assert.match(plan.next_followup?.semantic_key ?? "", /varga\.d12/);
+  assert.equal(plan.next_followup?.intent, "collect_method_evidence");
+  assert.equal(plan.next_followup?.domain, "family");
+  assert.equal(plan.next_followup?.choice_frame, null);
+  assert.equal(plan.next_followup?.probe_year, 2021);
 });
 
 test("already-open dated career card stays ahead of a yearless D24 catalog row", () => {